/*
 *  Copyright 2008-2010 the original author or authors.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */
package org.openaecfm.spf.io.measure;

import org.openaecfm.model.measure.DerivedUnitElement;
import org.openaecfm.model.measure.NamedUnit;
import org.openaecfm.spf.io.AbstractEntityInstanceInputImpl;
import org.openaecfm.spf.io.IAppDataManager;
import org.openaecfm.spf.io.IEntityInstanceOutput;
import org.openaecfm.spf.model.EntityInstance;
import org.openaecfm.spf.model.EntityInstanceNameParameter;
import org.openaecfm.spf.model.IntegerParameter;
import org.openaecfm.spf.model.SimpleEntityInstance;

public final class DerivedUnitElementIO extends
		AbstractEntityInstanceInputImpl<DerivedUnitElement> implements
		IEntityInstanceOutput<DerivedUnitElement> {
	/**
	 * {@inheritDoc}
	 */
	@Override
	public String exportSPF(DerivedUnitElement pojo,
			IAppDataManager appDataManager) {
		SimpleEntityInstance ei = new SimpleEntityInstance(
				"IFCDERIVEDUNITELEMENT", appDataManager.getName(pojo));

		// Set Unit
		EntityInstanceNameParameter unit = new EntityInstanceNameParameter(
				appDataManager.getName(pojo.getUnit()));
		ei.addParameter(unit);

		// Set Exponent
		IntegerParameter exponent = new IntegerParameter(pojo.getExponent());
		ei.addParameter(exponent);

		return ei.toString();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected DerivedUnitElement doCreateObject() {
		return new DerivedUnitElement();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void resolveReferenceParameter(EntityInstance ei,
			DerivedUnitElement pojo, IAppDataManager appDataManager) {
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set Unit
		EntityInstanceNameParameter unit = (EntityInstanceNameParameter) sei
				.getParameter(0);
		pojo.setUnit((NamedUnit) appDataManager.getObject(unit.toInstanceName()));
	}

	@Override
	protected void resolveNotReferenceParameter(EntityInstance ei,
			DerivedUnitElement pojo) {
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set Exponent
		IntegerParameter exponent = (IntegerParameter) sei.getParameter(1);
		pojo.setExponent(exponent.toInteger());
	}
}
